IT &computer MCQ section 5 MCQ Questions & Answers Detailed Explanation
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The following question based on IT & computer topic of general awareness mcq
(a) Very large scale integration
(b) Speech recognition
(c) Artificial intelligence
(d) Vacuum tubes
The correct answers to the above question in:
Answer: (d)
The period of first-generation computers (1946- 1958) is referred to as the Vacuum Tube Years. The first generation of computers was huge, slow, expensive, and often undependable.
In 1946 Presper Eckert and John Mauchly built the ENIAC electronic computer which used vacuum tubes instead of the mechanical switches of the Mark I. The ENIAC led to other vacuum tube type computers like the EDVAC (Electronic Discrete Variable Automatic Computer) and the UNIVAC I (UNIVersal Automatic Computer).
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
The technology used in the electronic printer is called
a) Micro Technology
b) Micro Array
c) Micro Millimetric
d) Micro Encapsulation
Answer »Answer: (d)
Microencapsulation is one of the several technologies used in Electronic printing. It is widely used in “carbonless” carbon paper and “scratch-and-sniff” cologne and perfume advertisements in magazines.
This technology involves the usage of millions of transparent fluid-filled capsules containing microscopic particles (Chemistry By Steven Zumdahl, Susan Zumdahl, p. 488).
Question : 2
What is ‘Teletext’ ?
a) Connecting the local telephone with outstation telephones without STD codes.
b) Flashing of telephone conversation on TV screen.
c) Printing the text of the message on the telex machine.
d) Flashing of the text of news and information on the TV screen.
Answer »Answer: (d)
Teletext is a Data broadcasting service in which pre-programmed sequences of frames of data are broadcast cyclically, and a user, equipped with a standard television receiver and a special decoder, selects the desired frames for viewing.
Question : 3
The telephone line is connected through the ____on the computer.
a) Ethernet
b) USB
c) Modem
d) PS2
Answer »Answer: (c)
A modem turns the digital data of a personal computer into modulated electrical signals in the voice frequency range of a telephone channel. These signals can be transmitted over telephone lines and demodulated by another modem at the receiver side to recover the digital data.
Question : 4
Which one of the following is a system software ?
a) Spreadsheets
b) Database programs
c) Word processors
d) Compilers
Answer »Answer: (d)
System software (or systems software) is computer software or an operating system designed to operate and control the computer hardware and to provide a platform for running application software. The term system software also includes software development tools like a compiler.
Question : 5
In HTML, and tags display the enclosed text in
a) bold
b) black colour
c) background
d) bright
Answer »Answer: (a)
In HTML, The Bold element specifies that the enclosed text should be displayed in boldface. The Underlined element specifies that the enclosed text should be displayed underlined. The Italic element specifies that the enclosed text should be italicized.
Question : 6
In computer processing, ______ selects processes from the pool and loads them into memory for execution.
a) CPU Scheduler
b) Job Scheduler
c) Resource Scheduler
d) Process Scheduler
Answer »Answer: (b)
A job scheduler, also known as long term scheduler, determines which programs are admitted to the system for processing.
It selects processes from the queue and loads them into memory for execution. Process loads into the memory for CPU scheduling.
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